Home / 179,963.10-248,351.05-103,520.16

Finding the Fourth Proportional to 179,963.10, 248,351.05 and 103,520.16

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Solution

The fourth proportional to 179,963.10, 248,351.05 and 103,520.16 is: 142,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,963.10 : 248,351.05 = 103,520.16 : x
  2. Step 2: Convert to fraction form
    179,963.10/248,351.05 = 103,520.16/x
  3. Step 3: Cross multiply
    179,963.10x = 248,351.05 × 103,520.16
  4. Step 4: Simplify right side
    179,963.10x = 25,709,340,432.17
  5. Step 5: Solve for x
    x = 25,709,340,432.17/179,963.10
  6. Step 6: Final answer
    x = 142,858.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.